UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0V5EJ6ge4YsoBdYD34zjwaLvDshsyAOVXNyQmjEltNU=' 
WHERE 
  key_id = '5970ae3ab5c8e4163811e86034113e3784824affd505563e0154b9f1e8c61968' 
  AND (
    token = '0V5EJ6ge4YsoBdYD34zjwaLvDshsyAOVXNyQmjEltNU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )